What is a focal seizure?

Seizures occur when nerve cells in the brain send out sudden, excessive, uncontrolled electrical signals. Focal seizures occur when nerve cells in a part of the brain are involved. The way the child acts during a focal seizure depends on the area of the brain that is affected (See next page).

What are the symptoms of a focal seizure?

What happens during focal seizure?

Focal aware seizures (also called focal onset aware or simple partial seizures) is a seizure that happens while a person is awake and alert and aware of what is going on. During the seizure, the person may have movements, feelings, or sensations that are out of their control. They usually last less than 2 minutes.

Is focal seizure life threatening?

Overall, focal seizures aren't dangerous, but they can turn into tonic-clonic seizures that are dangerous if they last too long or happen too often. For the most part, focal seizures have a positive outlook with medications or surgery.

Can focal seizures be cured?

Focal epilepsy may be treated with medication, and occasionally with diet, nerve stimulation or surgery, especially if the condition is due to a scar or other lesion in the brain.

What is a focal seizure?

Can anxiety cause focal seizure?

However, according to research on the experiences of people with seizures, stress and anxiety can trigger seizures, and current research often underestimates the role they may play. Lack of sleep is a common trigger for seizures, and this can often happen in people who are experiencing overwhelming stress.

Do focal seizures damage the brain?

Types of seizures

This is also called a focal seizure, but it can change into a generalized seizure, which affects the entire brain.

What happens after a focal seizure?

You might feel fine after a focal seizure and be able to get back to what you were doing straight away. Or you might feel confused or tired for some time afterwards. You might need to sleep. Some people find they have temporary weakness or can't move part of their body after they've had a seizure.

Can stress cause focal seizures?

Emotional stress also can lead to seizures. Emotional stress is usually related to a situation or event that has personal meaning to you. It may be a situation in which you feel a loss of control. In particular, the kind of emotional stress that leads to most seizures is worry or fear.

What do you do when someone has a focal seizure?

Can you talk during a focal seizure?

Patients with simple partial seizures remain awake and aware throughout the seizure, and some patients can even talk during the episode.

What is focal seizures in adults?

Focal onset seizures are the most common type of seizures in adults with epilepsy. When the seizure begins in one side of the brain and the person has a change in their level of awareness during some or all of it, it is called a focal onset impaired awareness seizure. The word "onset" is optional.

How do you test for focal seizures?

Imaging. If your doctor suspects a focal onset seizure, it's very common to follow up with a CT or MRI. Both can help find out where in the brain it happened and what caused it. An MRI is more likely if your doctor needs an image with fine detail.

How common are focal seizures?

Focal seizures are the most common type of seizure that affects both adults and children. Approximately 36% of people who experience seizures have complex focal seizures involving a loss of consciousness.

What can trigger a seizure?

What are the four types of focal seizures?

Can you tell a seizure is coming?

A Déjà vu feeling (you feel like you are experiencing something that has occurred before) Intense fear and panic. 'Pins and needles' sensation in certain parts of your body. Jerky movements in of the arm, leg, or body.

Can lack of sleep cause seizures?

Can sleep deprivation trigger a seizure? Yes, it can. Seizures are very sensitive to sleep patterns. Some people have their first and only seizures after an "all-nighter" at college or after not sleeping well for long periods.

What causes seizures in adults with no history?

It's possible for an adult without a history of epilepsy to experience a seizure. Potential causes include central nervous system infections, brain tumors, stroke, and brain injuries. The use or stopping of certain substances, including alcohol, may also trigger a seizure.

Do people remember seizures?

In focal aware seizures (FAS), previously called simple partial seizures, the person is conscious (aware and alert) and will usually know that something is happening and will remember the seizure afterwards. Some people find their focal aware seizures hard to put into words.

What medications can cause focal seizures?

Several case series have identified a variety of drugs and other substances associated with seizures 3, 4, 5, 6, 7, 8. Antidepressants, diphenhydramine, stimulants (including cocaine and methamphetamine), tramadol and isoniazid account for the majority of cases.

What does a seizure feel like in your head?

You're not likely to lose consciousness, but you might feel sweaty or nauseated. Complex focal seizures: These usually happen in the part of your brain that controls emotion and memory. You may lose consciousness but still look like you're awake, or you may do things like gag, smack your lips, laugh, or cry.

Can seizures lead to dementia?

People with epilepsy develop Alzheimer's disease at a rate 6 times higher than the non-epileptic population, and seizures can damage the memory centers of the brain and contribute to dementia.

What does a stress seizure look like?

Frequently, people with PNES may look like they are experiencing generalized convulsions similar to tonic-clonic seizures with falling and shaking. Less frequently, PNES may mimic absence seizures or focal impaired awarneness (previously called complex partial) seizures.

Can high blood pressure cause seizures?

Results: Severe uncontrolled hypertension increased the risk of unprovoked seizure. Left ventricular hypertrophy without diuretic treatment was associated with an 11-fold increased risk of unprovoked seizure: left ventricular hypertrophy treated with diuretics did not increase the risk.